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Message-ID: <20220527031320.GA10419@xsang-OptiPlex-9020>
Date: Fri, 27 May 2022 11:13:20 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: 0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
linux-pm@...r.kernel.org, lkp@...ts.01.org,
"Rafael J. Wysocki" <rafael@...nel.org>,
Viresh Kumar <viresh.kumar@...aro.org>,
Vincent Guittot <vincent.guittot@...aro.org>
Subject: [cpufreq] a6cb305191: kernel_BUG_at_drivers/cpufreq/cpufreq.c
Greeting,
FYI, we noticed the following commit (built with gcc-11):
commit: a6cb305191dd85350290fd66aeea8e62e33562f9 ("[PATCH 2/3] cpufreq: Panic if policy is active in cpufreq_policy_free()")
url: https://github.com/intel-lab-lkp/linux/commits/Viresh-Kumar/cpufreq-Minor-cleanups/20220526-195434
base: https://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git linux-next
patch link: https://lore.kernel.org/linux-pm/8c3d50faf8811e86136fb3f9c459e43fc3c50bc0.1653565641.git.viresh.kumar@linaro.org
in testcase: boot
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+------------------------------------------+------------+------------+
| | a1f8da428b | a6cb305191 |
+------------------------------------------+------------+------------+
| boot_successes | 15 | 0 |
| boot_failures | 0 | 13 |
| kernel_BUG_at_drivers/cpufreq/cpufreq.c | 0 | 13 |
| invalid_opcode:#[##] | 0 | 13 |
| RIP:cpufreq_policy_free | 0 | 13 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 13 |
+------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
[ 10.343913][ T200] kernel BUG at drivers/cpufreq/cpufreq.c:1291!
[ 10.345025][ T200] invalid opcode: 0000 [#1] SMP PTI
[ 10.345958][ T200] CPU: 1 PID: 200 Comm: systemd-udevd Not tainted 5.18.0-02127-ga6cb305191dd #1
[ 10.347496][ T200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014
[ 10.349232][ T200] RIP: 0010:cpufreq_policy_free (drivers/cpufreq/cpufreq.c:1291 (discriminator 1))
[ 10.349244][ T200] Code: e6 ff ff 48 8b 7d 10 e8 bc 47 c5 ff 48 8b 7d 08 e8 b3 47 c5 ff 48 8b 7d 00 e8 aa 47 c5 ff 48 89 ef 5b 5d 41 5c e9 de 09 97 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00
All code
========
0: e6 ff out %al,$0xff
2: ff 48 8b decl -0x75(%rax)
5: 7d 10 jge 0x17
7: e8 bc 47 c5 ff callq 0xffffffffffc547c8
c: 48 8b 7d 08 mov 0x8(%rbp),%rdi
10: e8 b3 47 c5 ff callq 0xffffffffffc547c8
15: 48 8b 7d 00 mov 0x0(%rbp),%rdi
19: e8 aa 47 c5 ff callq 0xffffffffffc547c8
1e: 48 89 ef mov %rbp,%rdi
21: 5b pop %rbx
22: 5d pop %rbp
23: 41 5c pop %r12
25: e9 de 09 97 ff jmpq 0xffffffffff970a08
2a:* 0f 0b ud2 <-- trapping instruction
2c: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
33: 00 00 00 00
37: 66 data16
38: 66 data16
39: 2e cs
3a: 0f .byte 0xf
3b: 1f (bad)
3c: 84 00 test %al,(%rax)
...
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
9: 00 00 00 00
d: 66 data16
e: 66 data16
f: 2e cs
10: 0f .byte 0xf
11: 1f (bad)
12: 84 00 test %al,(%rax)
...
[ 10.349247][ T200] RSP: 0018:ffffbdf4405abca0 EFLAGS: 00010293
[ 10.349251][ T200] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
[ 10.349253][ T200] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff96e640375618
[ 10.349255][ T200] RBP: ffff96e6c5775c00 R08: ffffbdf4405aba24 R09: 0000000000000002
[ 10.349257][ T200] R10: 00000000fffffffb R11: ffffddf43fc029d0 R12: 00000000fffffffb
[ 10.349259][ T200] R13: 0000000000000000 R14: ffff96e6c5775dd0 R15: 0000000000000001
[ 10.349261][ T200] FS: 0000000000000000(0000) GS:ffff96e96fd00000(0063) knlGS:00000000f7bca800
[ 10.349267][ T200] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
[ 10.349269][ T200] CR2: 0000000056e2c164 CR3: 000000042fcd2000 CR4: 00000000000406e0
[ 10.349271][ T200] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.349273][ T200] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.349275][ T200] Call Trace:
[ 10.349304][ T200] <TASK>
[ 10.349308][ T200] cpufreq_online (drivers/cpufreq/cpufreq.c:1562)
[ 10.349314][ T200] cpufreq_add_dev (drivers/cpufreq/cpufreq.c:1578)
[ 10.349318][ T200] subsys_interface_register (drivers/base/bus.c:1036)
[ 10.349328][ T200] ? 0xffffffffc0071000
[ 10.349330][ T200] cpufreq_register_driver (drivers/cpufreq/cpufreq.c:2872)
[ 10.349333][ T200] acpi_cpufreq_init (drivers/cpufreq/acpi-cpufreq.c:286) acpi_cpufreq
[ 10.349342][ T200] do_one_initcall (init/main.c:1295)
[ 10.349348][ T200] ? __cond_resched (kernel/sched/core.c:8181)
[ 10.349354][ T200] ? kmem_cache_alloc_trace (mm/slub.c:3219 mm/slub.c:3225 mm/slub.c:3256)
[ 10.349362][ T200] do_init_module (kernel/module.c:3731)
[ 10.349366][ T200] __do_sys_finit_module (kernel/module.c:4222)
[ 10.349369][ T200] __do_fast_syscall_32 (arch/x86/entry/common.c:112 arch/x86/entry/common.c:178)
[ 10.349376][ T200] do_fast_syscall_32 (arch/x86/entry/common.c:203)
[ 10.349379][ T200] entry_SYSENTER_compat_after_hwframe (arch/x86/entry/entry_64_compat.S:117)
[ 10.349385][ T200] RIP: 0023:0xf7f01549
[ 10.349388][ T200] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
All code
========
0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi
4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d
a: 10 06 adc %al,(%rsi)
c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
10: 10 07 adc %al,(%rdi)
12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
16: 10 08 adc %cl,(%rax)
18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1c: 00 00 add %al,(%rax)
1e: 00 00 add %al,(%rax)
20: 00 51 52 add %dl,0x52(%rcx)
23: 55 push %rbp
24: 89 e5 mov %esp,%ebp
26: 0f 34 sysenter
28: cd 80 int $0x80
2a:* 5d pop %rbp <-- trapping instruction
2b: 5a pop %rdx
2c: 59 pop %rcx
2d: c3 retq
2e: 90 nop
2f: 90 nop
30: 90 nop
31: 90 nop
32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
Code starting with the faulting instruction
===========================================
0: 5d pop %rbp
1: 5a pop %rdx
2: 59 pop %rcx
3: c3 retq
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
f: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
To reproduce:
# build kernel
cd linux
cp config-5.18.0-02127-ga6cb305191dd .config
make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
cd <mod-install-dir>
find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
--
0-DAY CI Kernel Test Service
https://01.org/lkp
View attachment "config-5.18.0-02127-ga6cb305191dd" of type "text/plain" (163414 bytes)
View attachment "job-script" of type "text/plain" (4656 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (13496 bytes)
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